lens of wide aperture

基本解释

This new lens has vivid color, wide aperture, small depth of field.
新的标头，颜色鲜艳，大光圈，浅景深，很不错。
What some of us DSLR users don’t realize until we’ve grown enough is just how wondrous and useful a good 50mm lens with a wide aperture is.
然而像我们这些单反相机的使用者在有足够多的经验之前，总是很难理解一个大光圈的50mm镜头是多么的实用。
Those bright little wonders won't be in front of the lens very long, so in order to make the most of each one, it's best to keep your aperture open wide.
那些小小的、亮亮的奇迹不会在镜头前待太长时间，所以要想尽可能的捕捉它们，最好在拍摄时使用大光圈。

Its newly designed, large-aperture, 4x optical zoom lens (with the maximum aperture of F2.0 at wide-angle end), high-sensitivity, back-illuminated 16 megapixel CMOS image sensor, and sensor-shift Shake Reduction system ensure sharp, high-quality, low-noise images.
ENGADGET: Pentax expands ruggedized series with Optio WG-3, Target-exclusive WG-10
In addition to daily use as a "pan-focus" lens featuring a wide angle, fixed f8 aperture and shallow depth of field, it is compatible with manual focusing using a lever and capable of close-up shooting as close as 30 cm.
ENGADGET: Olympus E-PL5 and E-PM2: Micro Four Thirds cameras with OM-D-like focusing, performance boosts (hands-on)
The PENTAX MX-1 features a 4X optical zoom lens offering a large maximum aperture of F1.8 to F2.5 and 28mm wide-angle coverage (in the 35mm format).
ENGADGET: Pentax launches brass-bodied MX-1 point-and-shoot: 12MP with 4X zoom (update: now with hands-on photos)